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volkan-k / TinyURL!

// ==UserScript==
// @name			TinyURL!
// @version			1.3
// @description		You'll be able to make a TinyURL at the click of a button. By clicking on the menu command, a TinyURL will be created for the page you are currently at. 
// @license			MIT
// @author			Volkan K.
// @copyright 		2014-2018+, Volkan K.
// @namespace		volkank@openuserjs
// @include			*
// @datecreated		2014-11-19
// @lastupdated		2018-06-13
// @run-at 			document-start
// @grant 			GM_registerMenuCommand
// @grant 			GM_openInTab
// @grant 			GM_xmlhttpRequest
// @grant 			GM_setClipboard
// @require 	https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js
// @require 	https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js
// @connect 	tinyurl.com
// ==/UserScript==

var tiny_method = 2;
// 1=open tinyurl.com creation page in new tab
// 2=show the result as alert without opening tab or window.

var debug_internal = 1; // 1=enable debug , 0 =disable debug

if (typeof GM_openInTab == "undefined") {
	GM_openInTab = window.open;
}

function debugLog(message, do_alert) {
	if (debug_internal==1) {
		console.log("USER-SCRIPT TINYURL | " + message);
	}
	if (do_alert && typeof alert === "function") {
		alert("USER-SCRIPT TINYURL | " + message);
	}
}

function show_tinyurl (short_url, long_url) {
	// do stuff
	//console.log(long_url); // for debug only.
	if (!(long_url)){
		var long_url = window.location.href;
	}
	var p_message = 'Long URL:'+"\n"+long_url+"\n\n";
	//p_message += 'Short URL:';
	p_message += 'It has a length of '+long_url.length+' characters and resulted in the following'+"\n"+'TinyURL which has a length of '+short_url.length+' characters:'
	p_message += "\n"+short_url+"\n ";
	if (typeof GM_setClipboard != "undefined") {
		GM_setClipboard(short_url);
		p_message += "\n"+'=== TinyURL Copied to your clipboard ==='+"\n ";
	}
	prompt(p_message,short_url);
}
function parse_n_show_tinyurl(html, long_url){
	if (!(long_url)){
		var long_url = window.location.href;
	}
	var response_parsed=$.parseHTML(html);
	var contentcontainer= $('div#contentcontainer', response_parsed).html();
	console.log(contentcontainer);
	var myregexp = /<div class="indent"><b>(https?:\/\/tinyurl\.com\/[-\w]+)<\/b>/i;
	var match = myregexp.exec(contentcontainer);
	if (match != null) {
		short_url = match[1];
	} else {
		short_url = "";
		debugLog("ERROR: Failed to get short url for "+long_url,true);
		return;
	}
	show_tinyurl (short_url, long_url);
}
	
GM_registerMenuCommand("TinyURL!", function(){
	var current_location = encodeURIComponent(window.location.href);
	var custom_alias = prompt("Custom alias (optional):\nMay contain letters, numbers, and dashes.\nhttp://tinyurl.com/");
	if (custom_alias!="") {
		tiny_method=1;
		custom_alias=encodeURIComponent(custom_alias);
	}
	if (tiny_method==1){
		var my_url = 'http://tinyurl.com/create.php?url='+current_location;
		if (custom_alias!="") {
			my_url += '&alias='+custom_alias;
		}
		debugLog(my_url); //for debugging
		//GM_openInTab(my_url);
		GM_xmlhttpRequest({
			method: "GET",
			url: my_url,
			onerror: function(oEvent){ debugLog("Error " + oEvent.status + " occurred while receiving the document.",true); },
			onload: function(response){
				if (response.readyState !== 4 || response.status !== 200) {
					debugLog("ERROR: Response status is not OK (200) but "+response.status, true); return;
				}
				// show result
				parse_n_show_tinyurl(response.responseText);
			}
		});
	} else {
		GM_xmlhttpRequest({
			method: "GET",
			url: 'http://tinyurl.com/api-create.php?url='+current_location,
			onerror: function(oEvent){ debugLog("Error " + oEvent.status + " occurred while receiving the document.",true); },
			onload: function(response){
				if (response.readyState !== 4 || response.status !== 200) {
					debugLog("ERROR: Response status is not OK (200) but "+response.status, true); return;
				}
				// show result
				show_tinyurl(response.responseText);
			}
		});
	}
});